Preview Chapter 1-2 in the textbook《 英语学术论文写作 》( 后简称 《 学术 》) and the PPT of next class and answer the following questions by your own PPT. 1. What are the principles for choosing a topic? 2. What methods are usually used to select a topic? How should you do to select the topic? (Steps) 3. How do we narrow down a title? 4. What are the principles to formulate a final title? 5. What is the format for a title? And what are the rules for it?